Erector spinae muscles perform which motions: A. Trunk rotation B. Trunk lateral bending C. Trunk extension
Question
Erector spinae muscles perform which motions: A. Trunk rotation B. Trunk lateral bending C. Trunk extension
Solution
The erector spinae muscles are responsible for the following motions:
A. Trunk rotation: This is not the primary function of the erector spinae muscles. They do contribute to this motion, but it's not their main role.
B. Trunk lateral bending: Yes, the erector spinae muscles do perform this motion. They help in the lateral flexion of the trunk, which is the action of bending your trunk to the side.
C. Trunk extension: Yes, this is the primary function of the erector spinae muscles. They are the main muscles used for extending the trunk, which is the action of straightening your trunk from a bent position.
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